Abbreviation for Geheimnis Staats Polizei or Secret State Police. The Gestapo was a branch of the SS which dealt with political opponents with terror and arbitrary arrest. In 1939, the Gestapo took control of Jewish emigration, which meant it was in charge of expelling Jews from all German-controlled areas.

Acronym for Geheime Staatspolizei, meaning Secret State Police. Before the outbreak of war, the Gestapo used brutal methods to investigate and suppress resistance to Nazi rule within Germany. After 1939, the Gestapo expanded its operations into Nazi-occupied Europe.

The (contraction of Geheime Staatspolizei; "Secret State Police") was the official secret police of Nazi Germany. Under the overall administration of the SS, it was administered by the RSHA and was considered a dual organization of the Sicherheitsdienst and also a suboffice of the Sicherheitspolizei.